SF patch 1631942 by Collin Winter:
(a) "except E, V" -> "except E as V"
(b) V is now limited to a simple name (local variable)
(c) V is now deleted at the end of the except block
diff --git a/Tools/scripts/fixheader.py b/Tools/scripts/fixheader.py
index 1bf5c52..8e8ac59 100755
--- a/Tools/scripts/fixheader.py
+++ b/Tools/scripts/fixheader.py
@@ -12,7 +12,7 @@
 def process(filename):
     try:
         f = open(filename, 'r')
-    except IOError, msg:
+    except IOError as msg:
         sys.stderr.write('%s: can\'t open: %s\n' % (filename, str(msg)))
         return
     data = f.read()
@@ -22,7 +22,7 @@
         return
     try:
         f = open(filename, 'w')
-    except IOError, msg:
+    except IOError as msg:
         sys.stderr.write('%s: can\'t write: %s\n' % (filename, str(msg)))
         return
     sys.stderr.write('Processing %s ...\n' % filename)